Ag@AgCl quantum dots embedded on Sn3O4 nanosheets towards synergistic 3D flower-like heterostructured microspheres for efficient visible-light photocatalysis

doi:10.1016/j.ceramint.2020.06.184

	Ag@AgCl quantum dots embedded on Sn3O4 nanosheets towards synergistic 3D flower-like heterostructured microspheres for efficient visible-light photocatalysis
	Han, Yuqi 1,2; Wei, Miaomiao 1; Qu, Shuangyan 1; Zhong, Ming3 ; Han, Lijuan 1; Yang, Haidong 1; Liu, Yang 1; Su, Bitao 1; Lei, Ziqiang 1
	2020-10-15
发表期刊	Ceramics International
ISSN	02728842
卷号	46 期号:15 页码:24060-24070
摘要	Taking advantage of the oil-water interface, we introduced Ag@AgCl quantum dots (QDs) onto 2D Sn3O4 nanosheets to fabricate a composite photocatalyst with a 3D flower-like structure (denoted as Ag@AgCl/Sn3O4). Using the degradation of tetracycline hydrochloride (TC-HCl) and methylene blue (MB) as the examples, the as-prepared Ag@AgCl/Sn3O4 composite with Ag@AgCl weight loading of 1% indicated 9.6 and 7.88 times higher photocatalytic activity than the Sn3O4 nanosheets. Within both degradation reactions, hydroxyl radicals (•OH) and superoxide radicals (•O2−) were identified as the critical oxidation intermediates based on radical trapping and electron spin resonance (ESR) experiments. The unique morphology and photoelectrochemical properties of the as-prepared composites suggested the introduced Ag@AgCl QDs cooperated with the Sn3O4 semiconductor to enhance the utilization of solar energy. Overall, the established heterojunction helped to reduce the transfer barrier of the photoinduced charge carriers, wherein the surface plasmonic resonance (SPR) of Ag nanoparticles was believed to take the main responsibility. The present work combines the Ag@AgCl-QDs and flower-like 3D Sn3O4 microspheres for the first time to achieve an impressive degrading rate of TC-HCl and MB at the Ag@AgCl weight loading as low as 1%. © 2020 Elsevier Ltd and Techna Group S.r.l.
关键词	Aromatic compounds Carrier mobility Chlorine compounds Electron spin resonance spectroscopy Heterojunctions Magnetic moments Microspheres Morphology Nanocrystals Nanosheets Photocatalytic activity Plasmonic nanoparticles Reaction intermediates Semiconducting tin compounds Semiconductor quantum dots Silver halides Silver nanoparticles Solar energy Surface plasmon resonance Surface plasmons Tin compounds Composite photocatalysts Flower-like structures Oil water interfaces Photoelectrochemical properties Photoinduced charge carriers Surface plasmonic resonances Tetracycline hydrochloride Visible-light photocatalysis
DOI	10.1016/j.ceramint.2020.06.184
收录类别	EI ; SCIE
语种	英语
WOS研究方向	Materials Science
WOS类目	Materials Science, Ceramics
WOS记录号	WOS:000564513800007
出版者	Elsevier Ltd
EI入藏号	20202908950099
EI主题词	Semiconducting silver compounds
EI分类号	657.1 Solar Energy and Phenomena ; 701.2 Magnetism: Basic Concepts and Phenomena ; 712.1 Semiconducting Materials ; 712.1.2 Compound Semiconducting Materials ; 714.2 Semiconductor Devices and Integrated Circuits ; 761 Nanotechnology ; 801 Chemistry ; 804 Chemical Products Generally ; 804.1 Organic Compounds ; 933 Solid State Physics ; 951 Materials Science
来源库	WOS
引用统计	被引频次：18[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/151071
专题	省部共建有色金属先进加工与再利用国家重点实验室
通讯作者	Su, Bitao
作者单位	1.Northwest Normal Univ, Key Lab Ecoenvironm Related Polymer Mat, Minist Educ China, Key Lab Polymer Mat Gansu Prov,Coll Chem & Chem E, 967 Anning East Rd, Lanzhou 730070, Peoples R China; 2.He Xi Univ, Coll Chem & Chem Engn, 846 North Circle Rd, Zhangye 734000, Gansu, Peoples R China; 3.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China
推荐引用方式 GB/T 7714	Han, Yuqi,Wei, Miaomiao,Qu, Shuangyan,et al. Ag@AgCl quantum dots embedded on Sn3O4 nanosheets towards synergistic 3D flower-like heterostructured microspheres for efficient visible-light photocatalysis[J]. Ceramics International,2020,46(15):24060-24070.
APA	Han, Yuqi.,Wei, Miaomiao.,Qu, Shuangyan.,Zhong, Ming.,Han, Lijuan.,...&Lei, Ziqiang.(2020).Ag@AgCl quantum dots embedded on Sn3O4 nanosheets towards synergistic 3D flower-like heterostructured microspheres for efficient visible-light photocatalysis.Ceramics International,46(15),24060-24070.
MLA	Han, Yuqi,et al."Ag@AgCl quantum dots embedded on Sn3O4 nanosheets towards synergistic 3D flower-like heterostructured microspheres for efficient visible-light photocatalysis".Ceramics International 46.15(2020):24060-24070.